Category Archives: Electronics

Automatic Transfer Switch

Posted on 2022-11-15 by Nigel VH

After a recent conversation with a friend regarding some datacenter equipment that had only a single power supply, I was curious about building a simple Automatic Transfer Switch (ATS) that would accept two separate AC inputs, and provide a redundant … Continue reading →

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Programmable Holiday Lights

Posted on 2022-10-30 by Nigel VH

I’m far from the only person to use addressable LED strips as holiday lights, so I won’t delve too deeply into the details. The project has been on my mind for a few years, as the annual endeavor to fix/install … Continue reading →

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Inkplate Weather Display

Posted on 2022-10-19 by Nigel VH

A little while ago I ordered an Inkplate 10, which is a project pairing old Kindle E-Paper displays with ESP32 microcontrollers. Mine arrived a bit ago, and I’ve been looking for a good project to use it on. Recently we’ve … Continue reading →

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Geiger Counter Kit

Posted on 2022-08-24 by Nigel VH

I recently saw that the MightyOhm Geiger Counter kit was on sale, and decided it would be fun to pick up as a simple, fun kit. In terms of the kit itself, it was simple to assemble, and the instructions … Continue reading →

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Measuring Mains Frequency

Posted on 2022-06-04 by Nigel VH

Mains frequency in North America is specified at a frequency of 60Hz, however in reality that number varies up and down a small amount as load and generation balance on the power grid. As generation exceeds load, physically the turbines … Continue reading →

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